OpenTechnical

OT-2026-000076449

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076449) never changes.

Identity and time

Publication numberOT-2026-000076449 · never reused
Internal UUID01a0ae94-6a71-7361-8911-7fa390059122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076449
StatusPUBLIC

Content hashes

Canonical texte577d81f9d2f57fc9eb434877f9350619b1076c12945ecfdd587a2d1ebe0aa88
Markdown9faec9213dda409c023519ae9f2d62185360f9b8beb52fee50c9cae3989cd1cd
PDF
Publication pageb5f535ddc1b6cef50916ba6ab377c7eb647d53831a98b695cf0653940ab47402
Manifestaf8930db5685d79e217e6c7f1961cb5e249b45206a8e45d9f9af4be43d662a24

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSnKTCr9bXQgkb4QFPrtoK92JapkfOUd2bwm/yChLI/jhHtJ0PvLljuNaiY7vRN53EKz75Fni5enjwLNwXG1CDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:33.976884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076449
observed b5f535ddc1b6cef50916ba6ab377c7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.956388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076449/manifest.json
observed af8930db5685d79e217e6c7f1961cb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.811897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076449/publication.md
observed 9faec9213dda409c023519ae9f2d6218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.789743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076449/publication.txt
observed e577d81f9d2f57fc9eb434877f935061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.